Home / 137,982.74-207,039.44-58,038.20

Finding the Fourth Proportional to 137,982.74, 207,039.44 and 58,038.20

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Solution

The fourth proportional to 137,982.74, 207,039.44 and 58,038.20 is: 87,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,982.74 : 207,039.44 = 58,038.20 : x
  2. Step 2: Convert to fraction form
    137,982.74/207,039.44 = 58,038.20/x
  3. Step 3: Cross multiply
    137,982.74x = 207,039.44 × 58,038.20
  4. Step 4: Simplify right side
    137,982.74x = 12,016,196,426.61
  5. Step 5: Solve for x
    x = 12,016,196,426.61/137,982.74
  6. Step 6: Final answer
    x = 87,084.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.